It is for their benefit. The overall support verses are below. THIS is a religion and spirituality forum. Quoting verses of scripture, whether welcome or not, is the point of this place. The questions invariably point to God, faith, the meaning of life, etc. The Bible has those answers. Further, either God's Word will save them or judge them. Their choice.
"Your word is a lamp for my feet, a light on my path." (Psalm 119:105)
"I have hidden your word in my heart that I might not sin against you." (Psalm 119:11)
"As the rain and the snow come down from heaven, and do not return to it without watering the earth and making it bud and flourish, so that it yields seed for the sower and bread for the eater, so is my word that goes out from my mouth: It will not return to me empty, but will accomplish what I desire and achieve the purpose for which I sent it." (Isaiah 55:10-11)
"For the word of God is alive and active. Sharper than any double-edged sword, it penetrates even to dividing soul and spirit, joints and marrow; it judges the thoughts and attitudes of the heart." (Hebrews 4:12)
"Jesus answered, 'It is written: Man shall not live on bread alone, but on every word that comes from the mouth of God.'" (Matthew 4:4)